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38x75+45x25简便运算怎么做

=38×25×3+45×25 =25×114+25×45 =25×(114+45) =25×159 =25×160-25×1 =4000-25 =3975

用简便方法计算 31x75十62x75十93x25 =75×(31+62)+93×25 =75×93+93×25 =93×(75+25) =93×100 =9300

42x75+42x25 =42x(75+25) =42x100 =4200 希望帮到你 望采纳 谢谢 加油

125×75+125×25 =125×(75+25) =125×100 =12500

=25x(25+75) =25x100 =2500

22x75+34x25怎么简便计算 22x75+34x25 =22×3×25+34×25 =66×25+34×25 =(66+34)×25 =100×25 =2500

704乘25 =(700+4)乘25 =700乘25+4乘25 =17500+100 =17600

=65*75-75+65*25 =65*(75+25)-75 =6500-75 =6425 百度知道 很高兴为你解答!祝你愉快!满意请采纳哦!

(15x75+25x75)x25 =(15+25)x75x25 =40x75x25 =40x25x75 =1000x75 =75000

289x75十289x25 =289×(75+25) =289×100 =28900

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